import formatDistanceToNow from "date-fns/formatDistanceToNow";
import enUS from "date-fns/locale/en-US";

class DateDistance {
    static calculate(elements) {
        if (typeof elements === "string") {
            elements = document.querySelectorAll(elements);
        }

        for (let i = 0; i < elements.length; i++) {
            let element = elements[i];
            let datetime = element.attributes.datetime.value;
            let date = new Date(datetime);
            let distance = formatDistanceToNow(date, {
                addSuffix: true,
                locale: enUS,
            });

            element.textContent = distance;
        }
    }
}

export default DateDistance;
